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-rw-r--r--fxjs/xfa/cjx_eventpseudomodel.cpp7
1 files changed, 7 insertions, 0 deletions
diff --git a/fxjs/xfa/cjx_eventpseudomodel.cpp b/fxjs/xfa/cjx_eventpseudomodel.cpp
index e652acb3e2..a6a876d81b 100644
--- a/fxjs/xfa/cjx_eventpseudomodel.cpp
+++ b/fxjs/xfa/cjx_eventpseudomodel.cpp
@@ -192,6 +192,13 @@ CJS_Return CJX_EventPseudoModel::reset(
void CJX_EventPseudoModel::Property(CFXJSE_Value* pValue,
XFA_Event dwFlag,
bool bSetting) {
+ // Only the cancelAction, selStart, selEnd and change properties are writable.
+ if (bSetting && dwFlag != XFA_Event::CancelAction &&
+ dwFlag != XFA_Event::SelectionStart &&
+ dwFlag != XFA_Event::SelectionEnd && dwFlag != XFA_Event::Change) {
+ return;
+ }
+
CFXJSE_Engine* pScriptContext = GetDocument()->GetScriptContext();
if (!pScriptContext)
return;